<% if  Session("HUserId")="" or Session("HuserFtp")="" or Session("HuserType")="" or Session("HuserSID")<>Session.SessionID then
Session("HUserId")="" 
Session("HuserFtp")=""
Session("HuserPassword")=""
Session("HuserType")=""
Session("HuserSID")=""
response.write "<script>this.top.location.href = ""index.asp"";</script>"
end if
%>